Abstract
Sintered steel wire mesh materials with total porosities of 36.3–61.8%, which are subjected to torsion loading, have been investigated in terms of deformation mode and failure mechanism. The experiments reveal that the twisted wire’s stretching, moving and rotating are main deformation mode, which leads to most of wires orientating towards the torsion direction. The failure occurs when the oriented wires fracture continuously, and leave behind a 45° fracture surface. The shear strength and shear modulus of the tested wire mesh samples are evaluated in the range of 44–103 MPa and 47–718 MPa, respectively. With an increase in porosity both the shear strength and the shear modulus decrease.
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